#include <stdio.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <stdlib.h>
int main()
{
    int pid;

    pid = fork();

    if(pid == 0){
        printf("b\n");

    }else if(pid > 0){
        int pid2 = fork();

        if(pid2 == 0) {

            printf("c\n");
        
        }else if(pid > 0){
             printf("a\n");
               
        }else{
             printf("ProcessCreate Failed!");
        }
        return 0;
    }
    }
    
     
